package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@RequestMapping("/category")
public class CategoryController {
    @Autowired
    private CategoryService categoryService;
    //新增分类
    @PostMapping
    public R<String> save(@RequestBody Category category){
        categoryService.save(category);
        return R.success("新增分类成功");
    }
//    @GetMapping("/page")
//    public R<Page>page(int page,int pageSize){
//        //分页构造器
//        Page  pageInfo = new Page(page,pageSize);
//        //条件构造器
//        LambdaQueryWrapper<Category> lqw = new LambdaQueryWrapper<>();
//        //添加排序条件，根据sort进行排序
//        lqw.orderByAsc(Category::getSort);
//        //分页查询
//        categoryService.page(pageInfo,lqw);
//        return  R.success(pageInfo);
//    }
    @GetMapping("/page")
    public R<Page>page(int page,int pageSize){
        //分页构造器
        Page<Category> pageInfo= new Page<>(page,pageSize);
        //条件构造器
        LambdaQueryWrapper<Category> lqw = new LambdaQueryWrapper<>();
        //添加排序条件，根据sort进行排序
        lqw.orderByAsc(Category::getSort);
        //分页查询
        categoryService.page(pageInfo,lqw);
        return  R.success(pageInfo);
    }
    /**
     * 根据id删除分类
     * @param id
     * @return
     */
    @DeleteMapping
    public R<String>delete(Long id){
       categoryService.remove(id);
       return R.success("分类信息删除成功");
    }
    //修改菜品分类
    @PutMapping
    public R<String>update(@RequestBody Category category){
        categoryService.updateById(category);
        return  R.success("菜品分类修改成功");
    }
    @GetMapping("list")
    public R<List<Category>>list(Category category){
        //准备Type作为查询条件
        LambdaQueryWrapper<Category> wrapper = new LambdaQueryWrapper<>();
        wrapper.eq(category.getType()!=null,Category::getType ,category.getType());
        //查询符合条件的所有分类对象.
        List<Category> list = categoryService.list(wrapper);
        return R.success(list);
    }
}
